1. Engineer C maps the storage to the file server for saving various files of the enterprise. One day, the file system was attacked by a virus, causing the file to fail to open normally. In order to allow the files to be accessed normally, the storage engineer performed a snapshot rollback operation.
Which of the following descriptions is false?

2. A company has purchased a new batch of mainframes and storage devices, and will deploy the company's important business according to the plan. The storage network is required to have low latency, high performance, large bandwidth, lossless transmission, and can support Ethernet transmission. Which protocol should be selected?

3. Which of the following statements about the evolution of storage network architecture is correct?

4. An operation and maintenance engineer found a storage device alarm in the process of daily inspection and needed to perform rapid maintenance. Which of the following is wrong?

5. In the following description of CPU grouping technology, which one is wrong?

6. Huawei OceanStor Pacific series storage systems use link aggregation-based technology to achieve transmission link redundancy. When the cluster uses the IB network, which of the following about the number of the IB Ethernet ports needs to be configured on the back-end of the node storage network?

7. Which statement about distributed storage is wrong?

8. The HyperMetro feature implements I/O load balancing across arrays, that is, the I/O fragmentation method is sent on and off the write array. Which of the following statements about I/O fragmentation is correct?

9. About the NDMP backup application planning, which of the following is wrong?

10. When engineer A implements storage delivery, LUN cannot be scanned on the Linux service host side. Which of the following descriptions is wrong?

11. The customer's production environment has high server performance, tight production network resources, and limited budget costs. The daily backup data volume is 1~2T, and the backup time is 3 hours. Which backup networking method is the most suitable?

12. When planning an active-active disaster recovery solution, the business side needs to use cluster applications. Which of the following cluster applications can support the AA working mode?

13. Which of the following statements about the SmartCache feature principle of Huawei OceanStor hybrid flash storage is correct?

14. Huawei hyperconvergence has the function of adaptive global deduplication and compression, which can provide significant space reduction and reduce user TCD under reasonable resource consumption.
The correct order of the implementation process of adaptive global deduplication compression is:
1. Write class data block
2. Point to the data in the fingerprint table after deduplication
3. Upgrade from chance table to fingerprint table
4. Data block fingerprint entry opportunity table

15. Which of the following descriptions about the InfoStamper features of the OceanStor 9000 storage system is incorrect?

16. The storage engineer performs performance tuning on the existing storage system. According to the performance monitoring data front-end service port, the host application access delay is high. Which part of the performance tuning belongs to?

17. In which of the following scenarios will OceanStor 9000 not trigger data balance?

18. Regarding the protocol used by the mirror channel between controllers of Huawei Oceanstor hybrid flash storage, which of the following statement is correct?

19. A bank purchased a new all-flash storage device (such as Huawei OceanStor all-flash memory), and the engineer initialized and configured the device. Which of the following operations is correct?

20. During the read operation of the Thin LUN by the host, what technology is used to read data from the corresponding actual storage space in the storage pool?

21. Regarding the description of Huawei OceanStor all-flash storage system, which one is wrong?

22. A hospital needs to archive many patient cases and inspection results generated every day, but the storage resources are limited.
Under the premise of not occupying the transmission bandwidth, which deduplication method is the best?

23. After employee A of a company logs in to the storage device of the company system, he finds that he has certain control authority. But can not modify the system time, and can not carry out user management.
Excuse me, which of the following roles does employee A have permissions?

24. A customer deploys one set of storage in two cities, and uses asynchronous remote replication networking between the two storage arrays. Which of the following statements is correct? (Multiple Choice)

25. During the construction of a data center, a media company purchased storage equipment from multiple manufacturers. CTOs want to centrally manage these storage devices through storage virtualization. Which of the following is not a function of storage virtualization?